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©The Author(s) 2019.
World J Gastroenterol. Mar 21, 2019; 25(11): 1387-1397
Published online Mar 21, 2019. doi: 10.3748/wjg.v25.i11.1387
Published online Mar 21, 2019. doi: 10.3748/wjg.v25.i11.1387
Table 1 Histopathological findings of primary tumor invasion (according to the Classification of Biliary Tract Cancers established by the Japanese Society of Hepato-Biliary-Pancreatic Surgery: 3rd English edition)
| Tis | Carcinoma in situ |
| T1a | Tumor limited to mucosa |
| T1b | Tumor limited to sphincter of Oddi |
| T2 | Tumor invades duodenal wall |
| T3a | Tumor invades pancreas within 5 mm in depth |
| T3b | Tumor invades pancreas beyond 5 mm in depth |
| T4 | Tumor invades peripancreatic soft tissues, or other adjacent organs or structures |
- Citation: Sakai A, Tsujimae M, Masuda A, Iemoto T, Ashina S, Yamakawa K, Tanaka T, Tanaka S, Yamada Y, Nakano R, Sato Y, Kurosawa M, Ikegawa T, Fujigaki S, Kobayashi T, Shiomi H, Arisaka Y, Itoh T, Kodama Y. Clinical outcomes of ampullary neoplasms in resected margin positive or uncertain cases after endoscopic papillectomy. World J Gastroenterol 2019; 25(11): 1387-1397
- URL: https://www.wjgnet.com/1007-9327/full/v25/i11/1387.htm
- DOI: https://dx.doi.org/10.3748/wjg.v25.i11.1387